/* ============================================================
   Commercial Engine OS — Design System
   Premium executive aesthetic: ink navy, warm paper, brass accent
   ============================================================ */

:root{
  --ink:#0A1120;
  --ink-2:#0F1830;
  --ink-3:#16223E;
  --paper:#F7F5F1;
  --paper-2:#EFECE5;
  --white:#FFFFFF;
  --text:#1B2434;
  --muted:#5B6373;
  --muted-dark:#9AA3B5;
  --line:#E4E1D9;
  --line-dark:rgba(244,241,234,.14);
  --brass:#B4873B;
  --brass-2:#C99B4A;
  --brass-soft:rgba(180,135,59,.12);
  --radius:14px;
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --maxw:1180px;
  --header-h:74px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.65;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
::selection{background:var(--brass);color:var(--ink)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:500;line-height:1.12;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,5.4vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.75rem)}
h3{font-size:1.32rem;line-height:1.3}
h4{font-size:1.05rem}
.lead{font-size:1.18rem;line-height:1.7;color:var(--muted)}
.eyebrow{
  font-family:var(--font-body);
  font-size:.72rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--brass);
  margin-bottom:1.1rem;
}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4,
.cta-band h2,.hero h1,.hero h3,.page-hero h1{color:#F4F1EA}
.section-dark .lead,.hero .lead{color:var(--muted-dark)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-size:.92rem;font-weight:600;letter-spacing:.01em;
  padding:.95rem 1.7rem;border-radius:8px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brass);color:var(--ink)}
.btn-primary:hover{background:var(--brass-2);transform:translateY(-1px);box-shadow:0 8px 24px rgba(180,135,59,.28)}
.btn-ghost{border:1px solid rgba(10,17,32,.25);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost-light{border:1px solid rgba(244,241,234,.3);color:#F4F1EA}
.btn-ghost-light:hover{border-color:#F4F1EA;transform:translateY(-1px)}
.btn-sm{padding:.62rem 1.15rem;font-size:.85rem}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-weight:600;font-size:.95rem;color:var(--brass);
}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(4px)}
.section-dark .link-arrow{color:var(--brass-2)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,17,32,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line-dark)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:2rem}
.brand{display:inline-flex;align-items:center;gap:.7rem}
.brand-mark{flex:none}
.brand-text{font-family:var(--font-display);font-size:1.12rem;font-weight:600;color:#F4F1EA;letter-spacing:.01em;white-space:nowrap}
.brand-text span{color:var(--brass-2);font-style:normal}
.main-nav{display:flex;align-items:center;gap:1.7rem}
.main-nav>a:not(.btn){
  font-size:.86rem;font-weight:500;color:#C6CCDA;letter-spacing:.01em;
  padding:.4rem 0;position:relative;transition:color .2s ease;
}
.main-nav>a:not(.btn):hover{color:#F4F1EA}
.main-nav>a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--brass-2);transition:width .25s ease;
}
.main-nav>a:not(.btn):hover::after{width:100%}
.main-nav>a.active:not(.btn){color:#F4F1EA}
.main-nav>a.active:not(.btn)::after{width:100%}
.nav-cta{margin-left:.6rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:.6rem;z-index:110}
.nav-toggle span{display:block;width:24px;height:2px;background:#F4F1EA;transition:transform .25s ease,opacity .25s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);
  background-image:
    linear-gradient(rgba(244,241,234,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,241,234,.035) 1px,transparent 1px);
  background-size:72px 72px;
  padding:calc(var(--header-h) + 5.5rem) 0 6rem;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:4rem;align-items:center}
.hero h1{margin-bottom:1.5rem}
.hero .lead{max-width:34rem;margin-bottom:2.2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.6rem}
.hero-note{font-size:.86rem;color:var(--muted-dark);max-width:30rem}
.hero-visual{display:flex;justify-content:center}

/* ---------- Engine diagram ---------- */
.engine-wrap{width:100%;max-width:560px;margin:0 auto}
.engine-svg{width:100%;height:auto}
.e-ring-outer{stroke:rgba(244,241,234,.22);stroke-width:1;stroke-dasharray:2 10;animation:engine-spin 90s linear infinite;transform-origin:280px 280px}
.e-ring-mid{stroke:rgba(180,135,59,.4);stroke-width:1;stroke-dasharray:1 9;animation:engine-spin 60s linear infinite reverse;transform-origin:280px 280px}
.e-links line{stroke:rgba(244,241,234,.16);stroke-width:1}
.e-core circle{fill:var(--ink-2);stroke:var(--brass);stroke-width:1.5}
.e-core text{fill:#F4F1EA;font-family:var(--font-display);font-size:16px;font-weight:600;text-anchor:middle}
.e-core .e-core-sub{fill:var(--brass-2);font-family:var(--font-body);font-size:9.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase}
.e-node rect{fill:var(--ink-3);stroke:rgba(244,241,234,.3);stroke-width:1;transition:stroke .3s ease;animation:node-glow 9.6s ease-in-out infinite}
.e-node text{fill:#EDEAE2;font-family:var(--font-body);font-size:12.5px;font-weight:500;text-anchor:middle}
.e-node:hover rect{stroke:var(--brass-2)}
@keyframes engine-spin{to{transform:rotate(360deg)}}
@keyframes node-glow{0%,100%{stroke:rgba(244,241,234,.3)}6%{stroke:var(--brass-2)}12%{stroke:rgba(244,241,234,.3)}}
.e-glow{animation:core-pulse 5s ease-in-out infinite}
@keyframes core-pulse{0%,100%{opacity:.7}50%{opacity:1}}

/* ---------- Audience strip ---------- */
.audience-strip{border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);background:var(--ink);padding:1.4rem 0}
.audience-strip .container{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem 2.4rem}
.audience-strip span{font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-dark)}

/* ---------- Sections ---------- */
.section{padding:6.2rem 0}
.section-tight{padding:4.5rem 0}
.section-dark{background:var(--ink)}
.section-dark.grid-bg{
  background-image:
    linear-gradient(rgba(244,241,234,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,241,234,.03) 1px,transparent 1px);
  background-size:72px 72px;
}
.section-alt{background:var(--white)}
.section-head{max-width:48rem;margin-bottom:3.4rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:1.1rem}
.section-head p{font-size:1.1rem;color:var(--muted)}
.section-dark .section-head p{color:var(--muted-dark)}

/* ---------- Cards & grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.9rem;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(10,17,32,.08);border-color:#D5D0C4}
.card h3{margin:.9rem 0 .7rem}
.card p{font-size:.95rem;color:var(--muted)}
.card-num{
  font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--brass);
  display:inline-flex;align-items:center;gap:.6rem;
}
.card-num::after{content:"";width:2rem;height:1px;background:var(--brass);opacity:.6}
.card .meta-list{margin-top:1rem;font-size:.86rem;color:var(--muted)}
.card .meta-list li{padding:.34rem 0;border-top:1px solid var(--line)}
.card .meta-list li:first-child{border-top:0}
.card-dark{background:var(--ink-2);border:1px solid var(--line-dark)}
.card-dark h3{color:#F4F1EA}
.card-dark p{color:var(--muted-dark)}
.card-dark:hover{border-color:rgba(201,155,74,.5)}
.card-link{display:block;height:100%}
.pill{
  display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass);background:var(--brass-soft);
  padding:.34rem .8rem;border-radius:100px;margin-bottom:1rem;
}

/* ---------- Check lists ---------- */
.list-check li{
  position:relative;padding-left:1.7rem;margin-bottom:.65rem;
  font-size:.97rem;color:var(--muted);
}
.list-check li::before{
  content:"";position:absolute;left:0;top:.62em;width:1rem;height:2px;background:var(--brass);
}
.list-check.light li{color:var(--muted-dark)}

/* ---------- Problem friction grid ---------- */
.friction-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.6rem}
.friction-card h3{font-size:1.02rem;font-family:var(--font-body);font-weight:600;color:var(--ink);margin-bottom:.35rem}
.friction-card p{font-size:.9rem;color:var(--muted)}
.callout-line{
  margin-top:3rem;padding:2.2rem 2.4rem;border-left:3px solid var(--brass);
  background:var(--white);border-radius:0 var(--radius) var(--radius) 0;
}
.callout-line p{font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.7rem);line-height:1.4;color:var(--ink);max-width:52rem}
.section-dark .callout-line{background:var(--ink-2)}
.section-dark .callout-line p{color:#F4F1EA}

/* ---------- Framework cards ---------- */
.fw-card{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:1.9rem 1.8rem;transition:transform .25s ease,border-color .25s ease}
.fw-card:hover{transform:translateY(-3px);border-color:rgba(201,155,74,.55)}
.fw-card .card-num{color:var(--brass-2)}
.fw-card .card-num::after{background:var(--brass-2)}
.fw-card h3{color:#F4F1EA;margin:.8rem 0 .4rem}
.fw-card .fw-q{font-size:.93rem;color:var(--brass-2);font-weight:500;margin-bottom:.8rem}
.fw-card .fw-items{font-size:.84rem;color:var(--muted-dark);line-height:1.8}
.fw-card .fw-items span:not(:last-child)::after{content:"  ·  ";color:rgba(244,241,234,.3)}

/* ---------- Maturity scale ---------- */
.maturity-scale{display:flex;gap:.5rem;margin:2rem 0}
.maturity-seg{flex:1;text-align:center;padding:.9rem .4rem;border:1px solid var(--line);border-radius:8px;background:var(--white)}
.maturity-seg .ms-num{font-family:var(--font-display);font-size:1.3rem;font-weight:600;color:var(--brass)}
.maturity-seg .ms-label{display:block;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:.2rem}
.maturity-seg.top{background:var(--ink);border-color:var(--ink)}
.maturity-seg.top .ms-num{color:var(--brass-2)}
.maturity-seg.top .ms-label{color:#C6CCDA}

/* ---------- Dimension table ---------- */
.dim-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.dim-row{display:grid;grid-template-columns:64px 1fr 1.4fr;align-items:center;border-top:1px solid var(--line);padding:1.1rem 1.6rem;gap:1.4rem}
.dim-row:first-child{border-top:0}
.dim-row .dim-num{font-family:var(--font-display);font-size:1.15rem;font-weight:600;color:var(--brass)}
.dim-row .dim-name{font-weight:600;font-size:.98rem;color:var(--ink)}
.dim-row .dim-desc{font-size:.9rem;color:var(--muted)}

/* ---------- Compare (Heroic vs System) ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin-top:3rem}
.compare-card{border-radius:var(--radius);padding:2.4rem 2.3rem}
.compare-card.heroic{background:var(--paper-2);border:1px solid var(--line)}
.compare-card.system{background:var(--ink);border:1px solid var(--ink)}
.compare-card .pill{margin-bottom:1.2rem}
.compare-card.heroic .pill{color:var(--muted);background:rgba(10,17,32,.07)}
.compare-card h3{margin-bottom:1.3rem}
.compare-card.system h3{color:#F4F1EA}
.compare-card ul li{position:relative;padding-left:1.7rem;margin-bottom:.7rem;font-size:.97rem}
.compare-card ul li::before{content:"";position:absolute;left:0;top:.62em;width:1rem;height:2px}
.compare-card.heroic ul li{color:var(--muted)}
.compare-card.heroic ul li::before{background:#B9B4A8}
.compare-card.system ul li{color:#C6CCDA}
.compare-card.system ul li::before{background:var(--brass-2)}

/* ---------- Outcome chips ---------- */
.outcome-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.outcome{
  display:flex;align-items:center;gap:.9rem;
  background:var(--white);border:1px solid var(--line);border-radius:10px;
  padding:1.05rem 1.3rem;font-size:.95rem;font-weight:500;color:var(--text);
}
.outcome::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--brass)}

/* ---------- Audience pathway cards ---------- */
.path-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2.1rem 2rem;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.path-card:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(10,17,32,.08);border-color:var(--brass)}
.path-card h3{margin:.4rem 0 .8rem}
.path-card p{font-size:.95rem;color:var(--muted);flex:1;margin-bottom:1.4rem}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-2);border-top:1px solid var(--line-dark);padding:4.8rem 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:3rem}
.cta-copy h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.8rem}
.cta-copy p{color:var(--muted-dark);max-width:34rem;font-size:1rem}
.cta-actions{display:flex;flex-direction:column;gap:.9rem;flex:none}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  background:var(--ink);
  background-image:
    linear-gradient(rgba(244,241,234,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,241,234,.035) 1px,transparent 1px);
  background-size:72px 72px;
  padding:calc(var(--header-h) + 4.5rem) 0 4.5rem;
}
.page-hero .lead{max-width:44rem}
.page-hero .hero-actions{margin-top:2.2rem}
.breadcrumb{font-size:.8rem;color:var(--muted-dark);margin-bottom:1.6rem;letter-spacing:.02em}
.breadcrumb a{color:var(--muted-dark)}
.breadcrumb a:hover{color:#F4F1EA}
.breadcrumb span::before{content:"/";margin:0 .55rem;color:rgba(244,241,234,.3)}

/* ---------- Prose (pages & articles) ---------- */
.prose{max-width:46rem}
.prose h2{margin:2.8rem 0 1.1rem;scroll-margin-top:100px}
.prose h3{margin:2rem 0 .8rem;scroll-margin-top:100px}
.prose p{margin-bottom:1.2rem;color:var(--text)}
.prose ul,.prose ol{margin:0 0 1.4rem 0}
.prose ul li{position:relative;padding-left:1.6rem;margin-bottom:.55rem;color:var(--text)}
.prose ul li::before{content:"";position:absolute;left:0;top:.66em;width:.9rem;height:2px;background:var(--brass)}
.prose ol{counter-reset:oli}
.prose ol li{position:relative;padding-left:2.2rem;margin-bottom:.55rem;counter-increment:oli}
.prose ol li::before{
  content:counter(oli);position:absolute;left:0;top:.18em;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--brass);
}
.prose strong{color:var(--ink)}
.prose a{color:var(--brass);font-weight:500;border-bottom:1px solid rgba(180,135,59,.4)}
.prose a:hover{border-bottom-color:var(--brass)}
.prose blockquote.takeaway{
  margin:2rem 0;padding:1.6rem 1.8rem;
  background:var(--white);border:1px solid var(--line);border-left:3px solid var(--brass);
  border-radius:0 10px 10px 0;
}
.prose blockquote.takeaway p{margin:0;font-size:1.02rem;color:var(--ink)}
.prose blockquote.takeaway strong{color:var(--brass)}

/* ---------- Article layout ---------- */
.article-hero{background:var(--ink);padding:calc(var(--header-h) + 3.8rem) 0 3.8rem}
.article-hero h1{font-size:clamp(2rem,4.2vw,3.1rem);max-width:56rem;margin-bottom:1.2rem}
.article-meta{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;font-size:.82rem;color:var(--muted-dark);margin-top:1.4rem}
.article-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:4.5rem;align-items:start}
.toc{position:sticky;top:calc(var(--header-h) + 2rem);border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:1.6rem 1.5rem}
.toc h4{font-family:var(--font-body);font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.toc a{display:block;font-size:.86rem;color:var(--muted);padding:.34rem 0;border-left:2px solid transparent;padding-left:.9rem;margin-left:-.9rem;transition:color .15s ease,border-color .15s ease}
.toc a:hover{color:var(--ink);border-left-color:var(--brass)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.article-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.7rem;height:100%;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.article-card:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(10,17,32,.08);border-color:#D5D0C4}
.article-card h3{font-size:1.14rem;margin-bottom:.7rem}
.article-card p{font-size:.9rem;color:var(--muted);flex:1;margin-bottom:1.2rem}
.article-card .card-cat{font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);margin-bottom:.9rem}

/* ---------- Insights index ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2.8rem}
.filter-btn{
  font-size:.8rem;font-weight:500;color:var(--muted);
  border:1px solid var(--line);border-radius:100px;padding:.5rem 1.05rem;background:var(--white);
  transition:all .2s ease;
}
.filter-btn:hover{border-color:var(--brass);color:var(--ink)}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:#F4F1EA}
.subscribe-band{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2.6rem;display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
.subscribe-band h3{font-size:1.5rem;margin-bottom:.6rem}
.subscribe-band p{font-size:.95rem;color:var(--muted)}

/* ---------- Forms ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2.6rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:.45rem}
.field label em{font-style:normal;color:var(--muted);font-weight:400}
.field input,.field select,.field textarea{
  font:inherit;font-size:.94rem;color:var(--text);
  background:var(--paper);border:1px solid var(--line);border-radius:8px;
  padding:.78rem .95rem;width:100%;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(180,135,59,.16);background:var(--white);
}
.field .field-error{display:none;font-size:.78rem;color:#A33B2E;margin-top:.35rem}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#A33B2E}
.field.invalid .field-error{display:block}
.form-note{font-size:.8rem;color:var(--muted);margin-top:1rem}
.form-success{display:none;text-align:center;padding:2.5rem 1rem}
.form-success h3{font-size:1.6rem;margin-bottom:.8rem}
.form-success p{color:var(--muted);max-width:28rem;margin:0 auto}
form.submitted .form-fields,form.submitted .form-note{display:none}
form.submitted .form-success{display:block}
.form-inline{display:grid;grid-template-columns:1fr 1fr auto;gap:.8rem;align-items:end}

/* ---------- Score preview widget ---------- */
.score-widget{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem}
.score-widget h4{font-family:var(--font-body);font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:1.4rem}
.score-row{display:flex;align-items:center;gap:1.1rem;padding:.68rem 0;border-top:1px solid var(--line)}
.score-row:first-of-type{border-top:0}
.score-row .sr-name{flex:1;font-size:.92rem;font-weight:500;color:var(--ink)}
.score-dots{display:flex;gap:.34rem}
.score-dots i{width:11px;height:11px;border-radius:50%;background:var(--paper-2);border:1px solid var(--line)}
.score-dots i.on{background:var(--brass);border-color:var(--brass)}

/* ---------- Stat / metric band ---------- */
.stat-band{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;margin-top:3rem}
.stat{border-left:2px solid var(--brass);padding-left:1.4rem}
.stat .stat-num{font-family:var(--font-display);font-size:2.3rem;font-weight:600;color:var(--ink);line-height:1.1}
.stat .stat-label{font-size:.88rem;color:var(--muted);margin-top:.3rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--muted-dark);padding:4.5rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.8rem;padding-bottom:3rem;border-bottom:1px solid var(--line-dark)}
.footer-brand .brand-text{font-size:1.15rem}
.footer-tag{font-family:var(--font-display);color:#EDEAE2;font-size:1.05rem;margin:1.2rem 0 .8rem}
.footer-small{font-size:.85rem;max-width:22rem;line-height:1.7}
.footer-col h4{font-family:var(--font-body);font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#EDEAE2;margin-bottom:1.1rem}
.footer-col a{display:block;font-size:.88rem;padding:.3rem 0;color:var(--muted-dark);transition:color .2s ease}
.footer-col a:hover{color:#F4F1EA}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.8rem;font-size:.8rem}
.footer-legal{display:flex;gap:1.6rem}
.footer-legal a{color:var(--muted-dark)}
.footer-legal a:hover{color:#F4F1EA}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}
.text-center{text-align:center}
.maxw-46{max-width:46rem}

/* ---------- Responsive ---------- */
@media (max-width:1120px){
  .main-nav{gap:1.2rem}
  .main-nav>a:not(.btn){font-size:.82rem}
}
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:3.4rem}
  .hero{padding-bottom:5rem}
  .hero-visual{order:2}
  .engine-wrap{max-width:480px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr;gap:3rem}
  .toc{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2.2rem}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .subscribe-band{grid-template-columns:1fr}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;inset:0;background:var(--ink);
    flex-direction:column;justify-content:center;align-items:center;gap:1.6rem;
    opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:105;
  }
  .main-nav.open{opacity:1;pointer-events:auto}
  .main-nav>a:not(.btn){font-size:1.25rem;font-family:var(--font-display)}
  .nav-cta{margin-left:0;margin-top:1rem}
  .nav-toggle{display:flex}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .outcome-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .form-inline{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .dim-row{grid-template-columns:1fr;gap:.3rem;padding:1.1rem 1.3rem}
  .related-grid{grid-template-columns:1fr}
  .section{padding:4.4rem 0}
  .form-card{padding:1.8rem 1.5rem}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .grid-4{grid-template-columns:1fr}
  .outcome-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .maturity-scale{flex-wrap:wrap}
  .maturity-seg{flex:1 1 30%}
  .hero-actions .btn{width:100%}
}

/* ============================================================
   Product-Led Additions (CommercialEngineOS 2026)
   Command Center, AI CRO, Agents, Autonomy, Objectives, etc.
   ============================================================ */

/* ---------- Product Hero ---------- */
.product-hero{background:var(--ink);background-image:linear-gradient(rgba(244,241,234,.035)1px,transparent 1px),linear-gradient(90deg,rgba(244,241,234,.035)1px,transparent 1px);background-size:72px 72px}

/* ---------- Command Center Preview ---------- */
.command-center-preview{background:#0F1830;border:1px solid rgba(244,241,234,.12);border-radius:16px;padding:1.4rem 1.5rem;max-width:520px}
.cc-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem}
.cc-title{font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:#F4F1EA}
.cc-status{display:flex;align-items:center;gap:.4rem;font-size:.72rem;color:#9AA3B5}
.status-dot{width:7px;height:7px;background:#4ADE80;border-radius:50%;display:inline-block}
.cc-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem 1rem;margin-bottom:1.1rem}
.cc-metric{background:rgba(244,241,234,.04);border-radius:10px;padding:.55rem .7rem}
.cc-metric.highlight{border:1px solid var(--brass)}
.cc-label{font-size:.68rem;color:#9AA3B5;margin-bottom:.15rem}
.cc-value{font-family:var(--font-display);font-size:1.18rem;font-weight:600;color:#F4F1EA}
.cc-attention{background:rgba(244,241,234,.025);border-radius:10px;padding:.85rem .95rem;margin-bottom:1rem}
.cc-attn-header{font-size:.72rem;color:#9AA3B5;margin-bottom:.45rem}
.cc-attn-item{font-size:.85rem;color:#EDEAE2;margin-bottom:.35rem;display:flex;gap:.45rem;align-items:flex-start}
.attn-tag{font-size:.62rem;font-weight:700;letter-spacing:.08em;padding:.08rem .38rem;border-radius:4px;flex-shrink:0}
.attn-tag.risk{background:#DC2626;color:#fff}
.attn-tag.expansion{background:#059669;color:#fff}
.attn-tag.renewal{background:#D97706;color:#fff}
.attn-tag.pipeline{background:#2563EB;color:#fff}
.attn-tag.signal{background:#7C3AED;color:#fff}
.cc-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.cc-btn{font-size:.78rem;padding:.45rem .85rem;border:1px solid rgba(244,241,234,.25);border-radius:6px;color:#C6CCDA;transition:all .15s ease}
.cc-btn:hover{border-color:#F4F1EA;color:#F4F1EA}
.cc-btn.primary{background:var(--brass);color:#0A1120;border-color:var(--brass)}

/* ---------- Fragment Grid ---------- */
.fragment-grid{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.6rem 0 2.2rem}
.frag-item{background:rgba(10,17,32,.06);border:1px solid var(--line);border-radius:999px;padding:.35rem 1rem;font-size:.82rem;color:#5B6373}

/* ---------- Manual Loop & New Model ---------- */
.manual-loop{margin:2rem 0 2.4rem}
.loop-label{font-size:.82rem;color:#5B6373;margin-bottom:.6rem}
.loop-steps{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}
.loop-step{background:#0F1830;color:#F4F1EA;padding:.35rem .75rem;border-radius:6px;font-size:.85rem}
.loop-arrow{color:#9AA3B5}
.new-model{background:#0F1830;border-radius:14px;padding:1.6rem 1.8rem}
.model-label{font-size:.82rem;color:#9AA3B5;margin-bottom:.7rem}
.model-flow{text-align:center}
.model-node{display:inline-block;background:rgba(244,241,234,.08);padding:.45rem 1.1rem;border-radius:999px;font-size:.9rem;margin:.25rem 0}
.model-node.core{background:var(--brass);color:#0A1120;font-weight:600}
.model-row{display:flex;justify-content:center;gap:.45rem;flex-wrap:wrap;margin:.6rem 0}
.model-arrow{color:#9AA3B5;font-size:1.1rem}
.model-statement{margin-top:1rem;color:#C6CCDA;font-size:.95rem}

/* ---------- Architecture Diagram ---------- */
.arch-diagram{text-align:center}
.arch-row{display:flex;justify-content:center;gap:.45rem;flex-wrap:wrap;margin:.6rem 0}
.arch-box{background:rgba(244,241,234,.06);border:1px solid rgba(244,241,234,.12);border-radius:8px;padding:.45rem 1rem;font-size:.82rem;color:#C6CCDA}
.arch-box.outcome{border-color:var(--brass);color:#F4F1EA}
.arch-connector{color:#9AA3B5;font-size:1.4rem;margin:.15rem 0}
.arch-core{display:inline-block;background:#16223E;border:1px solid var(--brass);color:#F4F1EA;padding:.55rem 1.6rem;border-radius:999px;font-family:var(--font-display);font-size:1.05rem;margin:.3rem 0}
.arch-core.highlight{background:var(--brass);color:#0A1120;font-weight:600}

/* ---------- Graph Preview ---------- */
.graph-preview{background:#0F1830;border-radius:14px;padding:1.8rem 2rem;text-align:center}
.graph-node{display:inline-block;background:rgba(244,241,234,.08);padding:.4rem 1.1rem;border-radius:999px;margin:.25rem .15rem;font-size:.9rem}
.graph-edge{display:inline-block;width:28px;height:1px;background:#9AA3B5;vertical-align:middle;margin:0 .15rem}
.graph-meta{margin-top:1rem;font-size:.75rem;color:#9AA3B5}

/* ---------- AI CRO Preview ---------- */
.ai-cro-preview{background:#0F1830;border-radius:16px;padding:1.6rem 1.8rem}
.ai-cro-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.3rem}
.ai-cro-title{font-family:var(--font-display);font-size:1.25rem;color:#F4F1EA}
.ai-cro-subtitle{font-size:.9rem;color:#9AA3B5}
.ai-cro-confidence{font-size:.82rem;color:var(--brass);font-weight:600}
.ai-cro-priorities{margin:1.1rem 0}
.priority-item{font-size:.95rem;color:#EDEAE2;margin-bottom:.45rem}
.ai-cro-footer{display:flex;align-items:center;justify-content:space-between;margin-top:1.4rem}
.ai-cro-stat{font-size:.95rem;color:#C6CCDA}

/* ---------- Agents Grid ---------- */
.agents-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.agent-card{background:rgba(244,241,234,.04);border:1px solid rgba(244,241,234,.1);border-radius:12px;padding:1.1rem 1.25rem}
.agent-name{font-family:var(--font-display);font-size:1.02rem;color:#F4F1EA;margin-bottom:.35rem}

/* ---------- Autonomy Ladder ---------- */
.autonomy-ladder{max-width:820px;margin:0 auto}
.ladder-level{display:flex;gap:1.4rem;margin-bottom:1.35rem;align-items:flex-start}
.ladder-num{font-family:var(--font-display);font-size:1.65rem;color:#9AA3B5;flex-shrink:0;width:42px}
.ladder-content{flex:1}
.ladder-title{font-family:var(--font-display);font-size:1.15rem;color:#F4F1EA;margin-bottom:.25rem}
.ladder-content p{font-size:.95rem;color:#C6CCDA}
.ladder-content .example{font-size:.85rem;color:#9AA3B5;font-style:italic;display:block;margin-top:.35rem}
.ladder-level.highlight .ladder-content{border-left:3px solid var(--brass);padding-left:1.1rem}

/* ---------- Autonomous Revenue Mode Preview ---------- */
.arm-preview{background:#0F1830;border-radius:16px;padding:1.7rem 1.9rem}
.arm-command{margin-bottom:1.4rem}
.arm-label{font-size:.72rem;color:#9AA3B5;margin-bottom:.2rem}
.arm-value{font-family:var(--font-display);font-size:1.35rem;color:#F4F1EA}
.arm-flow{text-align:center}
.arm-step{display:inline-block;background:rgba(244,241,234,.06);padding:.45rem 1.1rem;border-radius:999px;margin:.2rem 0;font-size:.9rem}
.arm-branches{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap;margin:.5rem 0}
.arm-branch{background:rgba(180,135,59,.15);padding:.35rem .9rem;border-radius:999px;font-size:.82rem}
.arm-arrow{color:#9AA3B5;font-size:1.2rem}

/* ---------- Objectives Grid ---------- */
.objectives-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.objective-card{background:#0F1830;border-radius:14px;padding:1.25rem 1.4rem}
.obj-header{font-family:var(--font-display);font-size:1.05rem;color:#F4F1EA;margin-bottom:.35rem}
.obj-target{font-size:.92rem;color:#9AA3B5;margin-bottom:.55rem}
.obj-progress{height:5px;background:rgba(244,241,234,.1);border-radius:999px;margin-bottom:.45rem}
.obj-bar{height:100%;background:var(--brass);border-radius:999px;transition:width .4s ease}
.obj-meta{display:flex;justify-content:space-between;font-size:.75rem;color:#9AA3B5}

/* ---------- Monday Brief ---------- */
.monday-brief{background:#0F1830;border-radius:16px;padding:1.6rem 1.8rem}
.brief-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.4rem;flex-wrap:wrap;gap:1rem}
.brief-title{font-family:var(--font-display);font-size:1.25rem;color:#F4F1EA}
.brief-subtitle{font-size:.85rem;color:#9AA3B5}
.brief-meta{font-size:.85rem;color:#C6CCDA;line-height:1.5}
.brief-section-title{font-size:.72rem;color:#9AA3B5;margin:1.1rem 0 .5rem}
.brief-action-pills{display:flex;flex-wrap:wrap;gap:.45rem}
.brief-pill{background:rgba(244,241,234,.06);border:1px solid rgba(244,241,234,.12);padding:.25rem .7rem;border-radius:999px;font-size:.78rem}

/* ---------- Guardrails ---------- */
.guardrails-preview{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:.65rem 1.1rem;margin:1.4rem 0}
.guardrail-item{display:flex;justify-content:space-between;align-items:center;background:rgba(244,241,234,.04);padding:.55rem .85rem;border-radius:8px}
.gr-label{font-size:.88rem;color:#C6CCDA}
.gr-value{font-size:.82rem;color:#F4F1EA;font-weight:600}
.guardrail-statement{margin-top:1.1rem;color:#9AA3B5;font-size:.95rem}

/* ---------- Bridge Section ---------- */
.bridge-section{margin-top:2.2rem;padding-top:1.8rem;border-top:1px solid rgba(244,241,234,.1)}
.bridge-title{font-family:var(--font-display);font-size:1.15rem;color:#F4F1EA;margin-bottom:1rem}
.bridge-flow{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}
.bridge-step{font-size:.8rem;background:rgba(244,241,234,.06);padding:.3rem .65rem;border-radius:6px}
.bridge-arrow{color:#9AA3B5}

/* ---------- Solutions Grid ---------- */
.solutions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.1rem}
.solution-card{background:#0F1830;border-radius:14px;padding:1.5rem 1.65rem;transition:transform .2s ease,border-color .2s ease}
.solution-card:hover{transform:translateY(-2px);border-color:var(--brass)}
.sol-label{font-size:.7rem;font-weight:700;letter-spacing:.12em;color:var(--brass);margin-bottom:.45rem}

/* ---------- Early Access & Final Vision ---------- */
.early-access-cta{text-align:center}
.early-access-note{margin-top:1rem;font-size:.82rem;color:#9AA3B5}
.final-vision{background:#0A1120;padding:5.5rem 0 4.8rem;text-align:center}
.final-vision .vision-small{font-size:.95rem;color:#9AA3B5;max-width:620px;margin:0 auto 1.4rem}
.final-vision h2{font-size:clamp(2.1rem,4.2vw,3.1rem);color:#F4F1EA}
.final-vision .vision-brand{font-family:var(--font-display);font-size:1.65rem;color:var(--brass);margin:1.1rem 0 .35rem}
.final-vision .vision-tagline{color:#C6CCDA;font-size:1.05rem}
.final-vision .vision-actions{margin-top:2rem}

/* ---------- Services Grid ---------- */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.service-card{background:#0F1830;border-radius:14px;padding:1.4rem 1.55rem}
.service-title{font-family:var(--font-display);font-size:1.08rem;color:#F4F1EA;margin-bottom:.45rem}

/* ---------- Responsive adjustments for new components ---------- */
@media (max-width:860px){
  .cc-metrics{grid-template-columns:repeat(2,1fr)}
  .ai-cro-header{flex-direction:column;gap:.6rem}
  .ai-cro-footer{flex-direction:column;align-items:flex-start;gap:1rem}
  .arm-branches{flex-direction:column;align-items:center}
}